Flanged Seals

DT-EN Truncated Flanged Diaphragm Seal

The Ashcroft® truncated flanged diaphragm seal model DT protects pressure measuring instruments on isolated pipes or tanks.

Extension and Diaphragm Material	Flange Material	Pressure Ratings
Extension: 316L Stainless steel; Diaphragm: 316L Stainless Steel or Hastelloy C-276	316L Stainless Steel	PN10 to PN40

DT-ASME Truncated Flanged Diaphragm Seal

The Ashcroft® truncated flanged diaphragm seal model DT protects pressure measuring instruments on isolated pipes or tanks.

Extension and Diaphragm Material	Flange Material	Pressure Ratings
Extension: 316L Stainless steel; Diaphragm: 316L Stainless Steel or Hastelloy C-276	316L Stainless Steel	150 to 1500 - class flanges

DFE-EN All-Welded Flanged Diaphragm Seal

The Ashcroft® DFE all-welded flanged diaphragm seal uses a diaphragm welded directly to the assembly flange and a light weight flange inlay.

Diaphragm Material	Bottom Housing Material	Pressure Ratings
Variety of metallic wetted materials	316L Stainless Steel, Monel 400, Hastelloy C 276	PN10 to PN40 - class flanges

DFE-ASME All-Welded Flanged Diaphragm Seal

The Ashcroft® DFE all-welded flanged diaphragm seal uses a diaphragm welded directly to the assembly flange and a light weight flange inlay.

Diaphragm Material	Bottom Housing Material	Pressure Ratings
Variety of metallic wetted materials	316L Stainless Steel, Monel 400, Hastelloy C 276	150 to 300 - class flanges

DF-EN Flush Flanged Diaphragm Seal

The Ashcroft® DF flush flanged diaphragm seal uses a flush diaphragm welded directly to the assembly flange, eliminating the need for a bulky lower housing.

Diaphragm Material	Bottom Housing Material	Pressure Ratings
Variety of metallic wetted materials with optional coating	Flush design eliminates need for a bottom housing	PN10 to PN100 - class flanges

DF-ASME Flush Flanged Diaphragm Seal

The Ashcroft® DF flush flanged diaphragm seal uses a flush diaphragm welded directly to the assembly flange, eliminating the need for a bulky lower housing.

Diaphragm Material	Bottom Housing Material	Pressure Ratings
Variety of metallic wetted materials with optional coating	Flush design eliminates need for a bottom housing	150 to 2500 - class flanges

702-703 Flanged High Displacement Diaphragm Seals

The Ashcroft® 702 and 703 high-displacement diaphragm seals or isolation devices are used with low pressure or differential pressure gauges with low differential pressure and elevated static pressure.

Diaphragm Material	Bottom Housing Material	Pressure Ratings
Variety of metallic and non-metallic wetted materials	Variety of metallic and non-metallic materials	150 to 600 - class flanges

402-403 Flanged All-Weld Diaphragm Seals

The Ashcroft® 402 and 403 flanged all-weld diaphragm seals or isolation devices protect pressure measuring instruments.

Diaphragm Material	Bottom Housing Material	Pressure Ratings
Variety of metallic wetted materials	Variety of metallic materials	150 to 1500 - class flanges

302-303 Flanged Diaphragm Seals

The Ashcroft® 302 and 303 diaphragm seals or isolation devices protect pressure measuring instruments.

Diaphragm Material	Bottom Housing Material	Pressure Ratings
Viton, Teflon, Kalrez	Variety of metallic and non-metallic materials	150 to 1500 - class flanges

206 In-Line Flanged Diaphragm Seals

The Ashcroft® 206 in-line flanged diaphragm seal or isolation device protects pressure measuring instruments.

Diaphragm Material	Bottom Housing Material	Pressure Ratings
Variety of metallic and non-metallic wetted materials	Variety of metallic wetted materials	Flange Class: 150

202-203 Flanged Diaphragm Seals

The Ashcroft® 202 and 203 diaphragm seals or isolation devices protect pressure measuring instruments.

Diaphragm Material	Bottom Housing Material	Pressure Ratings
Variety of metallic wetted materials	Variety of metallic and non-metallic materials	150 to 1500 - class flanges

106 In-Line Flanged Diaphragm Seals

The Ashcroft® 106 in-line flanged diaphragm seal or isolation device protects pressure measuring instruments.

Diaphragm Material	Bottom Housing Material	Pressure Ratings
Variety of metallic wetted materials	Variety of metallic wetted materials	150Flange Class: 150

102-103 Flanged Diaphragm Seals

The Ashcroft® type 102 and 103 flanged diaphragm seals or isolation devices protect pressure measuring instruments.

Diaphragm Material	Bottom Housing Material	Pressure Ratings
Variety of metallic wetted materials	Variety of metallic and non-metallic materials	150, 300, 600, 900 or 1500